205425880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:481

約数の個数: 128

約数和(自身を含む): 537477120

約数和(自身を除く): 332051240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 53, 55, 88, 92, 106, 110, 115, 184, 212, 220, 230, 253, 265, 383, 424, 440, 460, 506, 530, 583, 766, 920, 1012, 1060, 1166, 1219, 1265, 1532, 1915, 2024, 2120, 2332, 2438, 2530, 2915, 3064, 3830, 4213, 4664, 4876, 5060, 5830, 6095, 7660, 8426, 8809, 9752, 10120, 11660, 12190, 13409, 15320, 16852, 17618, 20299, 21065, 23320, 24380, 26818, 33704, 35236, 40598, 42130, 44045, 48760, 53636, 67045, 70472, 81196, 84260, 88090, 96899, 101495, 107272, 134090, 162392, 168520, 176180, 193798, 202990, 223289, 268180, 352360, 387596, 405980, 446578, 466877, 484495, 536360, 775192, 811960, 893156, 933754, 968990, 1116445, 1786312, 1867508, 1937980, 2232890, 2334385, 3735016, 3875960, 4465780, 4668770, 5135647, 8931560, 9337540, 10271294, 18675080, 20542588, 25678235, 41085176, 51356470, 102712940, 205425880]

約数ペア:

[(1, 205425880), (2, 102712940), (4, 51356470), (5, 41085176), (8, 25678235), (10, 20542588), (11, 18675080), (20, 10271294), (22, 9337540), (23, 8931560), (40, 5135647), (44, 4668770), (46, 4465780), (53, 3875960), (55, 3735016), (88, 2334385), (92, 2232890), (106, 1937980), (110, 1867508), (115, 1786312), (184, 1116445), (212, 968990), (220, 933754), (230, 893156), (253, 811960), (265, 775192), (383, 536360), (424, 484495), (440, 466877), (460, 446578), (506, 405980), (530, 387596), (583, 352360), (766, 268180), (920, 223289), (1012, 202990), (1060, 193798), (1166, 176180), (1219, 168520), (1265, 162392), (1532, 134090), (1915, 107272), (2024, 101495), (2120, 96899), (2332, 88090), (2438, 84260), (2530, 81196), (2915, 70472), (3064, 67045), (3830, 53636), (4213, 48760), (4664, 44045), (4876, 42130), (5060, 40598), (5830, 35236), (6095, 33704), (7660, 26818), (8426, 24380), (8809, 23320), (9752, 21065), (10120, 20299), (11660, 17618), (12190, 16852), (13409, 15320)]